tvOS 26 rolls out the feature to set every AirPlay speaker as permanent in the settings. Is there a possibility to setup eARC like with the HomePods for other devices connected to a TV or will this stay a HomePod only feature?

Hey, I have AirPlay speakers that I want to use as permanent speakers on my Apple TV. It is possible since tvOS 26. I want to delete the delay from the connection to the speakers and tried out the wireless audio calibration, but then the TV speakers go on and it only works there, not on the speakers. Does anyone have a solution?